<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

</head>
<body>
    <table border="1" width="500" height="400">
        <tr>
            <td width="20%">
                <!--target="main" 框架main中打开页面-->
                <p><a href="main.html" target="main">main</a></p>
                <p><a href="page1.html" target="main">page1</a></p>
            </td>
            <td>
                <iframe name="main" src="main.html" frameborder="0"></iframe>
            </td>
        </tr>
    </table>
</body>
</html>









